Extended display not recognised as widescreen

purplehaze

Registered
I am new to the world of Macs. I have just purchased a 17" Intel iMac and ordered the mini DVI to VGA convertor to connect my Dell 2005FPW as an extended display.

My iMac can see the display but only sees it as a VGA display. The options for screen resolution do not match the native display of the Dell. My PC runs the Dell at 1680 x 1050 but the iMac does not show this as an option (nearest i can get is 1400 x 1050) and it does not look correct.

Are there drivers for the correct display I can install?

My Dell has DVI and VGA inputs, should I have purchased the mini DVI to DVI and connected to that and used the VGA from the PC?

Hoping for some help.

Ty
 
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